Narrative:

After takeoff while setting climb thrust the right engine would not produce full rated climb thrust. Reset tmc computer and eec computers but engine continued to not produce rated thrust. After contacting dispatch and conferring with dispatcher and maintenance control it was decided best course of action was to return to ZZZ. Overweight landing accomplished. Emergency declared with ATC.

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Original NASA ASRS Text

Title: A B757-200'S RIGHT ENGINE DID NOT PRODUCE RATED CLIMB THRUST AFTER TAKEOFF. AN EMERGENCY WAS DECLARED WITH A RETURN TO LAND.

Narrative: AFTER TKOF WHILE SETTING CLB THRUST THE R ENG WOULD NOT PRODUCE FULL RATED CLB THRUST. RESET TMC COMPUTER AND EEC COMPUTERS BUT ENG CONTINUED TO NOT PRODUCE RATED THRUST. AFTER CONTACTING DISPATCH AND CONFERRING WITH DISPATCHER AND MAINT CTL IT WAS DECIDED BEST COURSE OF ACTION WAS TO RETURN TO ZZZ. OVERWT LNDG ACCOMPLISHED. EMER DECLARED WITH ATC.

Data retrieved from NASA's ASRS site as of May 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.